#                                               -*- Autoconf -*-
# Process this file with autoconf to produce a configure script.

AC_PREREQ(2.59)
AC_INIT([Stasis],[0.1],[sears@cs.berkeley.edu])
AM_INIT_AUTOMAKE() #hello,0.1)
#AM_INIT_AUTOMAKE([subdir-objects]) # @todo use subdir-objects once transition to libtool is done.
AC_CONFIG_SRCDIR([config.h.in])
AC_CONFIG_HEADER([config.h])

AC_DEFINE([_GNU_SOURCE], [], [Use gnu extensions (needed for sync_data_range)])

# Checks for programs.
#AC_PROG_CXX
AC_PROG_CC
AC_PROG_CPP
AC_PROG_INSTALL
AC_PROG_LN_S
AC_PROG_MAKE_SET
## Need AC_PROG_LIBTOOL
AC_PROG_LIBTOOL
AC_PROG_AWK
AC_PROG_RANLIB
AC_PROG_YACC
AC_PROG_LEX
# Checks for libraries.

# For SWIG & Python
# AC_PROG_LIBTOOL
AM_PATH_PYTHON(2.3)
AC_PROG_SWIG(1.3)
SWIG_ENABLE_CXX
SWIG_PYTHON
AM_CONDITIONAL(HAVE_SWIG, test x"$have_swig" = "xyes")

## alas, it won't link if this is put in here..  instead, it's linked in manually in the test directory...

#AC_ARG_ENABLE(efence,
#[  --enable-efence         Use electric fence (www.perens.com)],
#[case "$enableval" in \
#	yes)  efence=yes ;; \
#	no)   efence=no;; \
#	*)    efence=no;; \
#esac], [efence=no])
#
#dnl Check for efence
#if test $efence = yes; then
#AC_CHECK_LIB(efence,memalign)
#fi


# Linux has a broken O_DIRECT flag, but we allow people to override it from
# the command line.
test_host_prw=yes
AC_CACHE_CHECK([for open/O_DIRECT], db_cv_open_o_direct, [
AC_LINK_IFELSE([AC_LANG_PROGRAM([[
#include <sys/types.h>
#include <fcntl.h>]], [[
	open("a", O_RDONLY | O_DIRECT, 0);
]])],[db_cv_open_o_direct=yes; test_host_prw=no],[db_cv_open_o_direct=no])])
if test "$test_host_prw" = "no" -a "$db_cv_open_o_direct" = "yes"; then
	case "$host_os" in
	linux*)
# odirect probably works in linux now...
#		db_cv_open_o_direct=no;
#		AC_MSG_WARN(
#		    [O_DIRECT interface ignored on $host_os-$host_vendor.]);;
	esac
fi
if test "$db_cv_open_o_direct" = "yes"; then
	AC_DEFINE(HAVE_O_DIRECT)
	AH_TEMPLATE(HAVE_O_DIRECT, [Define to 1 if you have the O_DIRECT flag.])
fi

#AC_CHECK_LIB([check], [suite_create])
#AC_CHECK_LIB([check], [suite_create], 
#	     have_libcheck=yes,
#	     have_libcheck=no)
#
#if test x$have_libcheck = xyes ; then
#AM_CONDITIONAL(HAVE_LIBCHECK, true)
#else 
#AM_CONDITIONAL(HAVE_LIBCHECK, false)
#AC_MSG_WARN([Check not found; cannot run unit tests!])
#fi

AC_CHECK_LIB([m], [sqrt])
AC_CHECK_LIB([pthread], [pthread_create])


AC_ARG_ENABLE([network],
  AS_HELP_STRING(--disable-network,Disable old networking code),
  if test x$enableval = xno ; then
     echo "Networking disabled; not checking for confuse";
     have_libconfuse=no
  else
     AC_CHECK_LIB([confuse], [cfg_set_validate_func], 
	          have_libconfuse=yes, have_libconfuse=no)
  fi,
  AC_CHECK_LIB([confuse], [cfg_set_validate_func], 
               have_libconfuse=yes, have_libconfuse=no)
)

AM_CONDITIONAL(HAVE_LIBCONFUSE, test x$have_libconfuse = xyes)

AC_ARG_ENABLE([pobj],
  AS_HELP_STRING(--disable-pobj,Don't build pobj),
  AM_CONDITIONAL(BUILD_POBJ, test x$enableval = xyes),
  AM_CONDITIONAL(BUILD_POBJ, true)
)

AC_ARG_ENABLE([benchmarks],
  AS_HELP_STRING(--disable-benchmarks,Don't build benchmarks),
  if test x$enableval = xyes ; then
    build_benchmarks=yes
  else 
    build_benchmarks=no
  fi,
  build_benchmarks=yes
)

AC_CONFIG_DB

AM_CONDITIONAL(DB_ENABLED, test $DB_ENABLED = 1)

if test x$build_benchmarks = xyes ; then 
if test $DB_ENABLED = 0; then 
AC_MSG_WARN([Could not find Berkeley DB; some benchmarks will not be built])
fi
AM_CONDITIONAL(BUILD_BENCHMARKS, true)
else
AM_CONDITIONAL(BUILD_BENCHMARKS, false)
fi


AC_CHECK_LIB([intl], [bindtextdomain])
AC_CHECK_LIB([c], [bindtextdomain])

# Checks for header files.
AC_HEADER_DIRENT
AC_FUNC_ALLOCA
AC_HEADER_STDC
AC_HEADER_SYS_WAIT
AC_CHECK_HEADERS([arpa/inet.h fcntl.h limits.h malloc.h memory.h netdb.h netinet/in.h stddef.h stdint.h stdlib.h string.h strings.h sys/socket.h sys/time.h syslog.h unistd.h errno.h])

# Checks for typedefs, structures, and compiler characteristics.
AC_C_CONST
AC_C_INLINE
#AC_TYPE_INT64_T
#AC_TYPE_UINT64_T
AC_TYPE_OFF_T
AC_TYPE_PID_T
AC_TYPE_SIZE_T
#AC_TYPE_SSIZE_T
AC_HEADER_TIME
AC_STRUCT_TM

#enable largefile support.
AC_SYS_LARGEFILE

# Checks for library functions.
AC_FUNC_ERROR_AT_LINE
## Assume we have these, and that they work.
## (otherwise, bad stuff happens sometimes)
#AC_FUNC_MALLOC
#AC_FUNC_REALLOC

AC_FUNC_MEMCMP
AC_FUNC_STAT
AC_FUNC_VPRINTF
AC_CHECK_FUNCS([bzero fdatasync floor ftruncate getcwd gettimeofday inet_ntoa localtime_r memmove memset mkdir posix_memalign pow powl socket sqrt strchr strdup strerror strrchr strstr strtol strtoul sync_file_range tcase_set_timeout])

#AC_CONFIG_LIBMYSQLD


AC_CONFIG_FILES([Makefile
                 benchmarks/Makefile
                 benchmarks/berkeleyDB/Makefile
                 libdfa/Makefile
                 stasis/Makefile
                 src/2pc/Makefile
                 src/Makefile
                 src/apps/Makefile
                 src/apps/cht/Makefile
                 src/apps/readOnlyHash/Makefile
                 src/apps/cyrus/Makefile
                 src/apps/referential/Makefile
                 src/libdfa/Makefile
                 src/stasis/Makefile
                 src/pobj/Makefile
                 src/timing/Makefile
                 test/2pc/Makefile
                 test/Makefile
                 test/cht/Makefile
                 test/dfa/Makefile
                 test/lladd-old/Makefile
                 test/stasis/Makefile
                 test/messages/Makefile
                 test/monotree/Makefile
                 test/pobj/Makefile
                 utilities/Makefile
                 utilities/swig/Makefile
                 examples/Makefile
])
AC_OUTPUT